[sheepdog-users] sheepdog 0.9 vs live migration

[Vladislav Gorbunov]

Try to add --live to the virsh migrate command.
Live migration with sheepdog 0.9 work in OpenNebula 4.10
https://github.com/OpenNebula/addon-sheepdog

2014-12-12 19:16 GMT+10:00 Jónás Zsolt <jonas.zsolt at naxonet.hu>:
>
>  Hi,
>
>
> I'm testing sheepdog 0.9 on two hosts.
>
>
> I tried to do kvm live migration:
> $ virsh migrate --live test-vm qemu+ssh://test-host2/system
>
>
> but I get the following error:
> error: internal error: process exited while connecting to monitor:
> qemu-system-x86_64: -drive
> file=sheepdog:test-vm-disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none:
> cannot get vdi info, VDI is already locked, test-vm-disk 0
> qemu-system-x86_64: -drive
> file=sheepdog:test-vm-disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none:
> could not open disk image sheepdog:test-vm-disk: Could not open
> 'sheepdog:test-vm-disk': Input/output error
>
>
> the VDI is locked by dog:
> $ dog vdi lock list
> VDI | owner node
> test-vm-disk | IPv4 ip:test-host1 port:7000
>
>
> if I remove the VDI lock the live migration works correctly:
> $ dog vdi lock unlock test-vm-disk
>
> but after the live migration I can't relock the VDI.
>
>
> VM disk definition:
>     <disk type='network' device='disk'>
>       <driver name='qemu' type='qcow2' cache='none'/>
>       <source protocol='sheepdog' name='test-vm-disk'/>
>       <target dev='vda' bus='virtio'/>
>     </disk>
>
>
> How can I do the live migration safely with sheepdog 0.9?
> Or what am I doing wrong?
>
>
> os: Ubuntu 14.04.1 LTS
> qemu: QEMU emulator version 2.0.0 (Debian 2.0.0+dfsg-2ubuntu1.7)
> sheepdog: Sheepdog daemon version 0.9.0
>
>
> Thank you for your help!
>
>
> jonci
>
>
>
> --
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>
>
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